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Question
As the number of carbon atoms in a chain increases, the boiling point of alkanes _________.
As the number of carbon atoms in a chain increases, the boiling point of alkanes _________.
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Solution
The correct option is A Increases
As the number of carbon atoms in a chain increases, the size of molecules increases. With increase in size, the intermolecular force of attraction also increases. So, more energy will be needed to break the force of attraction between the atoms. Thus, the boiling point of alkanes increases with increasing carbon atoms in a chain.
Increases
As the number of carbon atoms in a chain increases, the size of molecules increases. With increase in size, the intermolecular force of attraction also increases. So, more energy will be needed to break the force of attraction between the atoms. Thus, the boiling point of alkanes increases with increasing carbon atoms in a chain.
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